Mean Min Max Amiens county Observed rates 21.66     ATA Poisson kriging 20.85     ATP Poisson kriging 20.39 19.89 20.82 Sains-Richaumont county Observed rates 37.40     ATA Poisson kriging 24.15     ATP Poisson kriging 24.28 22.52 25.23

Table 2: Summary of Kriging Estimates for Lip, oral cavity and pharynx cancer mortality by county.